ld-q 中文意思是什麼
-
The self - q - switched pulses of high erbium - doped fabry - perot cavity fiber laser are observed and theoretically analyzed. ( 2 ). utilizing the non - linearity characteristics of single mode fiber - back stimulated brillouin scattering ( bsbs ) and the wavelength - selecting characteristics of fiber gratings, self - q - switched pulses are achieved from a linear cavity erbium - doped fiber laser pumping by a 980nm ld continue wave ( cw ) pumping, the pulse width is 2. 2ns and the repetition frequency of pulses is 64. 5mhz
（ 2 ）利用單模光纖的非線性效應背向受激布里淵散射（ bsbs ）和光纖光柵的選頻特性，採用980nm半導體激光器連續泵浦方式，在線性腔摻鉺光纖激光器中實現了自調q運轉，獲得脈沖寬度（ fwhm ）約為2 . 2ns ，重復頻率為64 . 5mhz的穩定的光脈沖輸出。 -
A diode pumped cr4 +, nd3 + : yag crystal self - q - switched laser is demonstrated with fiber coupled ld and the imaging system. the pulse laser with 1064 nm wavelength is obtained. the maximum average output power is 3. 36 w, and the pulse duration is 65 ns, and the repetition rate is 87 khz, the opto - optical efficiency is 15. 3 %, the slope efficiency is 23. 8 %
用光纖耦合輸出的ld ，通過成像系統會聚，對二極體泵浦的自調q激光器進行了實驗研究，得到了平均功率3 . 36w ，脈沖寬度65ns ，重復頻率87khz的1064nm脈沖激光。 -
For the ld pumped self - q - switched laser, the peak power, pulse energy, pulse width and energy extraction efficiency, which have been influenced by the loss in the cavity, cavity length and the threshold absorption coefficiency of the absorber, have been calculated. then we know how to choose the parameters of the self - q - switched laser for design
根據自調q二極體泵浦固體激光器的特點，計算了腔內損耗、腔長和飽和吸收體的初始吸收系數對于峰值功率、單脈沖能量、脈沖寬度和能量利用率的影響，並由此提出了設計自調q激光器中的參數選擇規律。 -
As a method to obtain higher sbs reflectivity by improving the monochromaticity of laser system, the ld end - pumped pulse - microchip laser operated on high - repetition and single - frequency has also been researched. in section v, we revised the previous theoretical model for passive - q - switched laser using cr4 + : nd3 + : yag by introducing the space dependence between the photons and inversion populations in microchip resonator
由於泵浦激光的線寬對sbs反射率有顯著影響，而利用單縱模、高重復頻率運轉的脈沖微片激光器作為dpl系統種子光源來提高激光系統單色性是一種可行的技術方案。 -
Laser - diode ( ld ) pumped passive q - switched laser can supply this kind of pulses and have the advantages of simplicity, compactness, high efficiency and low cost
激光二極體（ ld ）泵浦的被動調q激光器能夠提供這種脈沖，而且具有結構緊湊、效率高、價格便宜等優點。
分享友人